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Transmission device, high-dynamic range image data transmission method, reception device, high-dynamic range image data reception method, and program

A high dynamic range, image data technology, applied in the fields of sending devices, sending high dynamic range image data, receiving devices, receiving high dynamic range image data, and programs, and can solve the problem that the ability of high brightness output of display devices is not greatly affected. good use, etc.

Active Publication Date: 2016-02-03
SONY CORP
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] On the other hand, with the development of technology, the maximum brightness of display devices has been extended to 1000cd / m in practice 2 , exceeding the 100cd / m in the prior art 2 , while the ability of display devices to perform high luminance output is not well utilized

Method used

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  • Transmission device, high-dynamic range image data transmission method, reception device, high-dynamic range image data reception method, and program
  • Transmission device, high-dynamic range image data transmission method, reception device, high-dynamic range image data reception method, and program
  • Transmission device, high-dynamic range image data transmission method, reception device, high-dynamic range image data reception method, and program

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no. 1 example

[0071] [Configuration example of AV system]

[0072] figure 1 A configuration example of an audiovisual (AV) system 10 according to the embodiment is shown. The AV system 10 has a disc player 11 as a source device and a television receiver 12 as a sync device. The disk player 11 and the television receiver 12 are connected to each other via an HDMI cable 13 as a transmission path.

[0073] An HDMI terminal 11 a to which an HDMI transmission unit (HDMITX) 11 b and a high-speed bus interface (high-speed bus I / F) 11 c are connected is provided to the disc player 11 . An HDMI terminal 12 a to which an HDMI receiving unit (HDMIRX) 12 b and a high-speed bus interface (high-speed bus I / F) 12 c are connected is provided to the television receiver 12 . One end of the HDMI cable 13 is connected to the HDMI terminal 11 a of the disc player 11 , and the other end of the HDMI cable 13 is connected to the HDMI terminal 12 a of the television receiver 12 .

[0074] exist figure 1 In the...

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Abstract

The purpose of the present invention is to transfer HDR image data among machines in satisfactory fashion. A transmission device (source machine) transmits HDR image data to a reception device (sink machine) over a channel. In the process, the transmission device transmits transfer format information and / or gamma correction information for the HDR image data, to the reception device over the channel. The reception device performs processing (a decoding process, gamma correction process, and the like) of the received HDR image data on the basis of the received transfer format information and / or gamma correction information. E.g., the transmission device receives from the reception device information about transfer formats and / or gamma correction formats with which the reception device is compatible, and selects a format with which the reception device is compatible for use.

Description

technical field [0001] The present invention relates to a transmitting device, a method of transmitting image data of a high dynamic range, a receiving device, a method of receiving image data of a high dynamic range, and a program, and more particularly relates to a high Dynamic range image data transmission device, etc. Background technique [0002] In recent years, for example, a high-definition multimedia interface (HDMI) has been popularized as a communication interface through which digital picture signals (that is, uncompressed (baseband) picture signals (image data) and Digital voice signals (voice data)) are sent at high speed from a digital versatile disk (DVD) recorder, set-top box, or other audio-visual (AV) source to a television receiver, projector, or other display. For example, the HDMI specification is described in detail in NPL1. [0003] For example, consider an AV system or the like in which a disk player as a source device and a television receiver as ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N21/436
CPCH04N21/43635H04N5/765H04N9/69H04N7/007H04N21/426H04N7/08H04N21/436H04N5/775H04N5/42H04N5/202
Inventor 中岛康久
Owner SONY CORP
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